TITLE: Chinese Physicists Shatter Record With 35.1 Tesla Superconducting Magnet
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A New Milestone in Magnetic Field Strength
Chinese researchers have achieved a groundbreaking scientific milestone by developing a superconducting magnet that generated a magnetic field measuring 35.1 tesla—approximately 700,000 times stronger than Earth’s natural magnetic field. This remarkable achievement, announced by the Institute of Plasma Physics at the Chinese Academy of Sciences (CAS), represents a significant advancement in high-field magnet technology.
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Sustained Power for Scientific Exploration
The record-breaking magnetic field maintained its strength for approximately 30 minutes, providing scientists with unprecedented opportunities for conducting experiments under extreme conditions. This duration is particularly significant as it allows researchers to perform detailed sample testing and data collection that wasn’t previously possible with such intense magnetic fields.
Building on Previous Achievements
This new record surpasses the previous benchmark of 32.35 tesla, which was also established by the Chinese Academy of Sciences through their Institute of Electrical Engineering. The consistent improvement demonstrates China’s growing expertise in superconducting technology and magnetic field research.
Technical Innovation and Design
The magnet’s innovative design incorporates what researchers describe as a “high-temperature superconducting insert-coil technology, coaxially nested with low-temperature superconducting magnets.” This hybrid approach represents a sophisticated engineering solution that balances different superconducting materials to achieve optimal performance.
Applications in Nuclear Fusion Research
Superconducting magnets play a crucial role in nuclear fusion research, where they’re used to confine and control the extremely hot plasma generated during fusion reactions. The development of stronger, more reliable magnets brings scientists closer to practical nuclear fusion—a potentially limitless clean energy source that could transform global energy production.
Global Collaboration and Future Directions
The CAS Institute of Plasma Physics leads China’s participation in the International Thermonuclear Experimental Reactator (ITER), the world’s largest fusion reactor project. While it hasn’t been confirmed whether this specific magnet will be used in ITER, the technology demonstrates significant progress toward the superconducting systems required for next-generation fusion reactors.
Overcoming Technical Challenges
Creating and maintaining superconducting conditions presents substantial engineering challenges, particularly the need for extremely low temperatures. The successful operation of this magnet validates the technical approach and provides valuable insights for future developments in high-field magnet technology.
This achievement represents an important step forward in magnetic field technology, with potential implications across multiple scientific disciplines. As research continues to advance, these developments in superconducting magnet technology may open new frontiers in both fundamental physics and practical energy applications.
